Painting, dugong skull and tusk by W H [William Home] Clift Plate 12 showing a side view of the skull of a dugong [Dugong dugon] with a section of the tusk, both from a Sumatran specimen provided by Thomas Stamford Raffles. With a copy figure of a dugong skull after Georges Cuvier. The work is inscribed with publication and plate details. Signed lower left 'W. H. Clift del.' Royal Society stamp verso. Subject: Zoology Published in Philosophical Transactions as part of paper titled 'On the milk tusks, and organ of hearing of the Dugong' by Everard Home. Read to the Royal Society on 13 April 1820. [1820]